package cn.tedu.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDome3 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输出要删除的用户名");
        String username=scanner.nextLine();
        Connection connection= DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true"
        ,"root",
                "123456");
        Statement statement=connection.createStatement();
        String sql="DELETE FROM  userinfo WHERE username='"+username+"';";
        int i=statement.executeUpdate(sql);
        if(i>0){
            System.out.println("删除成功");
        }else {
            System.out.println("用户不存在无法删除");
        }
        connection.close();

    }
}
